iSAC floating-point implementation of the Audio{En,De}coderFactoryTemplate APIs
BUG=webrtc:7835, webrtc:7841
Review-Url: https://codereview.webrtc.org/3001483002
Cr-Commit-Position: refs/heads/master@{#19427}
diff --git a/webrtc/api/audio_codecs/isac/audio_decoder_isac_float.h b/webrtc/api/audio_codecs/isac/audio_decoder_isac_float.h
new file mode 100644
index 0000000..c0dc880
--- /dev/null
+++ b/webrtc/api/audio_codecs/isac/audio_decoder_isac_float.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_API_AUDIO_CODECS_ISAC_AUDIO_DECODER_ISAC_FLOAT_H_
+#define WEBRTC_API_AUDIO_CODECS_ISAC_AUDIO_DECODER_ISAC_FLOAT_H_
+
+#include <memory>
+#include <vector>
+
+#include "webrtc/api/audio_codecs/audio_decoder.h"
+#include "webrtc/api/audio_codecs/audio_format.h"
+#include "webrtc/rtc_base/optional.h"
+
+namespace webrtc {
+
+// iSAC decoder API (floating-point implementation) for use as a template
+// parameter to CreateAudioDecoderFactory<...>().
+//
+// NOTE: This struct is still under development and may change without notice.
+struct AudioDecoderIsacFloat {
+ struct Config {
+ bool IsOk() const {
+ return sample_rate_hz == 16000 || sample_rate_hz == 32000;
+ }
+ int sample_rate_hz = 16000;
+ };
+ static rtc::Optional<Config> SdpToConfig(const SdpAudioFormat& audio_format);
+ static void AppendSupportedDecoders(std::vector<AudioCodecSpec>* specs);
+ static std::unique_ptr<AudioDecoder> MakeAudioDecoder(Config config);
+};
+
+} // namespace webrtc
+
+#endif // WEBRTC_API_AUDIO_CODECS_ISAC_AUDIO_DECODER_ISAC_FLOAT_H_
